Byzantine civil war of 1352–1357

The Byzantine civil war of 1352–1357 was an armed conflict resulting from and following the Byzantine civil war of 1341–1347. The war pitted Byzantine emperorJohn V Palaiologos against John VI Kantakouzenos and his eldest son Matthew Kantakouzenos. John V emerged victorious as the sole emperor of the Byzantine Empire, but the destruction brought about by the civil war left the Byzantine state in ruins.